Wiring Connection; Others; Gas Leak Test; Remote Control A-B Selection - Carrier 42EQV025M Installation Manual

Wiring Connection

1. Remove the valve cover, the electric parts cover and the cord clamp from
the outdoor unit.
2. Connect the connecting cable to the terminal as identifi ed by the matching
numbers on the terminal block of indoor and outdoor unit.
3. Insert the power cord and the connecting cable carefully into the terminal
block and secure it tightly with screws.
4. Use vinyl tape, etc. to insulate the cords which are not to be used.
Locate them so that they do not touch any electrical or metal parts.
5. Secure the power cord and the connecting cable with the cord clamp.
6. Attach the electric parts cover and the valve cover on the outdoor unit.
Stripping length of the connecting cable
38EYV025M
Terminal block
Connecting cable Power cord
38EYV035M
Terminal block
Connecting cable
Power cord

Gas Leak Test

Check places for
the indoor unit.
Check places for
the outdoor unit.

Remote Control A-B Selection

• When two indoor units are installed in the same room or adjacent two
rooms, if operating a unit, two units may receive the remote control signal
simultaneously and operate. In this case, the operation can be preserved
by setting either one remote control to B setting. (Both are set to A setting
in factory shipment.)
• The remote control signal is not received when the settings of indoor unit
and remote control are different.
• There is no relation between A setting/B setting and A room/B room when
connecting the piping and cables.
To separate using of remote control for each indoor unit in case of 2 air
conditioner are installed near.
Remote Control B Setup.
1. Press [RESET] button on the indoor unit to turn the air conditioner ON.
2. Point the remote control at the indoor unit.
3. Push and hold [CHECK] button on the Remote Control by the tip of the
pencil. "00" will be shown on the display (Picture 1).
4. Press [MODE] during pushing [CHECK]. "B" will show on the display
and "00" will disappear and the air conditioner will turn OFF. The Remote
Control B is memorized (Picture 2).
Note : 1. Repeat above step to reset Remote Control to be A.
2. Remote Control A have not "A" display.
3. Default setting of Remote Control from factory is A.
Earth line
Earth line
Connecting cable Power cord
Earth line
Earth line
Connecting cable Power cord

OTHERS

OTHERS
• Check the fl are nut connections
for the gas leak with a gas leak
detector or soap water.
Model
Power source
Maximum running current
Plug socket & fuse rating
Power cord
CAUTION
• Wrong wiring connection may cause some electrical parts burn out.
• Be sure to comply with local cords on running the wire from indoor unit
to outdoor unit (size of wire and wiring method, etc.).
• Every wire must be connected fi rmly.
• If incorrect or incomplete wiring is carried out, it will cause an ignition or
smoke.
• Prepare the power supply for exclusive use with the air conditioner.
• This product can be connected to the mains.
Connection to fi xed wiring: A switch which disconnects all poles and
has a contact separation of at least 3 mm must be incorporated in the
fi xed wiring.
NOTE
: Connecting cable
• Wire type : More than H07RN-F or 60245 IEC66 (1.5 mm² or more)

Test Operation

To switch the TEST RUN (COOL) mode,
press [RESET] button for 10 seconds.
(The beeper will make a short beep.)

Auto Restart Setting

This product is designed so that, after a power failure, it can restart automatically
in the same operating mode as before the power failure.
Information
The product was shipped with Auto Restart function in the off position.
Turn it on as required.
How to set the Auto Restart
1. Press and hold the [RESET] button on the indoor unit for 3 seconds
to set the operation. (3 beep sound and OPERATION lamp [
5 time/sec for 5 seconds)
2. Press and hold the [RESET] button on the indoor unit for 3 seconds to cancel
the operation. (3 beep sound but OPERATION lamp [
• In case of ON timer or OFF timer are set, AUTO RESTART OPERATION
does not activate.
8
42EQV025M 42EQV035M
50Hz, 220 – 240 V Single phase
60Hz, 220 – 230 V Single phase
7.0A 9.0A
10A
H07RN-F or 60245 IEC66 (1.5 mm
1
RESET button
] does not blink)
16A
2
or more)
2
] blink